| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe + S = FeS
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CrO3 + H2SO4 = Cr2(SO4)3 + H2O + O2 =>
4 CrO3 + 6 H2SO4 = 2 Cr2(SO4)3 + 6 H2O + 3 O2
SnCl4 + H2O = SnO2 + HCl =>
SnCl4 + 2 H2O = SnO2 + 4 HCl
CuCl2 + AgNO3 = CuNO3 + AgCl2 =>
CuCl2 + AgNO3 = CuNO3 + AgCl2
Ca3P2 + H2O = PH3 + Ca(OH)2 =>
Ca3P2 + 6 H2O = 2 PH3 + 3 Ca(OH)2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
MnO4 + (SO3)2{-} + H{+} = (Mn)2{+} + (SO4)2{-} + H2O =>
8 MnO4 + 15(SO3)2{-} + 4 H{+} = 4(Mn)2{+} + 15(SO4)2{-} + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
MnO4 + H{+} + (SO3)2{-}{+} = (Mn)2{+} + H2O + (SO4)2{-} =>
8 MnO4 + 4 H{+} + 15(SO3)2{-}{+} = 4(Mn)2{+} + 2 H2O + 15(SO4)2{-}
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HgO = Hg + O =>
HgO = Hg + O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
KI + Hg(C2H3O2)2 = KC2H3O2 + I2Hg =>
2 KI + Hg(C2H3O2)2 = 2 KC2H3O2 + I2Hg
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Fe2(SO4)3 + KSCN = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Na2SO4 + Sr(NO3)2 = Na(NO3) + SrSO4 =>
Na2SO4 + Sr(NO3)2 = 2 Na(NO3) + SrSO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
(C2H2) + O2 = CO2 + H2O =>
2(C2H2) + 5 O2 = 4 CO2 + 2 H2O
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
(C2H2) + O2 = CO2 + H2O =>
2(C2H2) + 5 O2 = 4 CO2 + 2 H2O
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
Al + HF = AlF3 + H =>
Al + 3 HF = AlF3 + 3 H
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
HC1 + NaOH = NaC1 + H2O =>
HC1 + NaOH = NaC1 + H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Ca(OH)2 + FeCl3 = CaCl2 + Fe(OH)3 =>
3 Ca(OH)2 + 2 FeCl3 = 3 CaCl2 + 2 Fe(OH)3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/23/10
Équations équilibrées sur11/22/09
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